Efektivitas Model Problem Based Learning Ditinjau dari Kemampuan Komunikasi Matematis Siswa

Ernia Risdianti, Haninda Bharata, Widyastuti Widyastuti

Abstract


The Effectiveness of Problem Based Learning Model Toward Student’s Mathematical Communication Skill. This quasi-experimental research aimed to find out the effectiveness of problem based learning (PBL) model toward student’s mathematical communication skill. The population of this research was all students of grade 7th Junior High School state of Natar in academic year 2018/2019 as many as 353 students that distributed into eleven classes. Through purposive random sampling technique, students of class of VII B as many as 32 students and class of VII C as many as 32 students were chosen as the research sample. This research used pretest-posttest group design. The research data were obtained by the essay test of student’s mathematical communication skill. The result of t -test and proportion test with  was known that the data of student’s mathematical communication skill through problem based learning model was higher than the data of student’s mathematical communication skill through non-PBL model and proportion of student through problem based learning model with standard of minimum of completeness 70 more than 60%. So that, problem based learning model was effective towards student’s mathematical communication skill.

 Keywords: mathematical communication skill, problem based learning


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